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WO2007128831A1 - Disjoncteur de puissance, en particulier disjoncteur de courant à haute intensité - Google Patents

Disjoncteur de puissance, en particulier disjoncteur de courant à haute intensité Download PDF

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Publication number
WO2007128831A1
WO2007128831A1 PCT/EP2007/054494 EP2007054494W WO2007128831A1 WO 2007128831 A1 WO2007128831 A1 WO 2007128831A1 EP 2007054494 W EP2007054494 W EP 2007054494W WO 2007128831 A1 WO2007128831 A1 WO 2007128831A1
Authority
WO
WIPO (PCT)
Prior art keywords
pole
contact
busbar
welded
connection means
Prior art date
Application number
PCT/EP2007/054494
Other languages
German (de)
English (en)
Inventor
Ralf-Peter Kurth
Clemens RÜTHNICK
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to CA002652047A priority Critical patent/CA2652047A1/fr
Priority to DE502007004262T priority patent/DE502007004262D1/de
Priority to US12/300,130 priority patent/US20100059479A1/en
Priority to EP07728946A priority patent/EP2016601B1/fr
Priority to JP2009508384A priority patent/JP2009536429A/ja
Priority to AT07728946T priority patent/ATE472811T1/de
Publication of WO2007128831A1 publication Critical patent/WO2007128831A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/6606—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H2001/5894—Electric connections to or between contacts; Terminals the extension of the contact being welded to a wire or a bus

Definitions

  • the invention relates to a circuit breaker, in particular a high-current switch, having at least one pole unit with a pole head and a pole carrier and a vacuum interrupter arranged therebetween with a fixed contact and a moving contact, wherein the fixed contact via a first connection means with a first busbar of the pole unit and the moving contact are connected via a second connection means with a second bus bar of the pole unit.
  • Such a circuit breaker is known for example from Siemens publication "Siemens HG 11.11 1999" is known.
  • the disclosed therein high-current switch as the power switch includes fully three pole units, each with a pole head and a pole base and one each interposed vacuum ⁇ interrupter.
  • a fixed contact and a moving contact In order to connect the contacts to the busbars, in this previously known circuit breaker connecting means are screwed on the one hand to the respective contact and on the other hand to the respective busbar.
  • Object of the present invention is to develop a circuit breaker of the type mentioned, which has a higher current carrying capacity.
  • this object is, are that the first terminal means to the first power rail and the fixed contact and the second connection means rail to the second power ⁇ and welded to the moving contact at a power scarf ⁇ ter of the aforementioned type characterized.
  • the second busbar to a flexible conductor and is welded to the flexible conductor and the second connection means.
  • the attachment means are electron beam welded. Electron beam welding is particularly advantageous because the weld seams ⁇ be executed in high precision.
  • Figure 1 is a cross-sectional view of a power switch according to the invention
  • Figure 2 is a detail view in the region of the fixed contact
  • FIG. 1 shows a high current switch as a circuit breaker for high current applications in a cross-sectional view.
  • the circuit breaker 1 comprises three pole units for the three phases of an alternating current to be switched, of which only one polar unit is shown in FIG. 2.
  • the pole unit 2 comprises a pole head 3 and a Polträ ⁇ ger 4, between which a contact system 5 in the form of a vacuum interrupter 5 for switching a current between a first bus bar 6 and a second bus bar 7 of the pole unit 2 is arranged.
  • a moving contact 8 of the vacuum ⁇ interrupter 5 is connected via a drive linkage with a drive unit 9 to ⁇ 10 coupled to the circuit breaker, wherein the drive unit 10 is formed for initiating a shifting movement into the moving contact 8 of the contact system.
  • the Be ⁇ wegtern 8 is connected by means of second connection means 11 with the second busbar 7.
  • a fixed contact 12 of the Va ⁇ kuumschaltrschreibe 5 is electrically connected via first connection means 13 to the first bus bar 6.
  • the poi-unit is fixed by means of support means 14 and 15 to a retaining wall 16 of the circuit breaker 1.
  • Figure 2 shows a cross-sectional view of a Detaildarstel ⁇ development in the area of the fixed contact 12 of the vacuum interrupter 5.
  • the fixed contact 12 of the vacuum interrupter is 5-cylindrical in form of a zy ⁇ bolt with the first connecting means 13 in the form of a copper shaped plate having a bolt of the fixed contact 12 has corresponding recess in the Be ⁇ rich 17 encircling electron beam welded , creating a non-positive and cohesive connection between the fixed contact 12 and the second connection means 13 is formed.
  • the second connection means 13 is also electron beam welded to the first busbars 6 in the region 18.
  • To stabilize an aluminum spacer 19 is disposed between the busbars.
  • FIG 3 shows a detailed view in the region of Bewegkontak ⁇ tes of the vacuum interrupter 5 of the Figure 1.
  • the movable contact 8 is connected at its tapered end 20 in the area 21 circumferentially to the second connection means 11 in form of a kupferförmi- gen plate with a bolt 20 of the Moving contact 8 ent ⁇ speaking recess electron beam welded.
  • Flexible current conductors 22 and 23 are also electron beam-welded in the areas 24 to the second connection means 11 and beam welded at 26 and 27 electrons with the second bus bar 7 ⁇ .
  • the pole head 3 and the pole carrier 4 are provided with cooling bodies 3a and 4a, respectively, which serve to dissipate the heat generated by the high currents in the region of the fixed contact 12 and the moving contact 8, respectively.
  • fastening means 28 are provided on the first current ⁇ rail 6 and fastening means 29 on the second current ⁇ rail 7, which are respectively provided for screwing the first busbar 6 and the second busbar 7, for example with busbars of a switchgear.
  • the heat sinks 3a and 4a the temperature of the current-carrying parts is lowered such that in the region of the screw 28 and 29, the Temperature is in the required range of less than 65 to 75 degrees Kelvin above ambient temperature.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Linear Motors (AREA)

Abstract

Disjoncteur de puissance, en particulier disjoncteur de courant à haute intensité, qui comporte au moins une unité polaire (2) pourvue d'une borne polaire (3) et d'un support de pôle (4), et un tube commutateur à vide (5) placé entre les deux, pourvu d'un contact fixe (12) et d'un contact mobile (8, 20), le contact fixe (12) étant connecté via un premier moyen de connexion (13) à une première barre conductrice (6) de l'unité polaire (2) et le contact mobile (8) étant connecté via un deuxième moyen de connexion (11) à une deuxième barre conductrice (7) de l'unité polaire (2). L'objet de la présente invention est l'amélioration d'un disjoncteur de puissance à intensité maximale admissible plus élevée. A cet effet, les moyens de connexion sont conçus uniquement pour la connexion de la première barre conductrice au moins et de la deuxième barre conductrice au moins avec le système de contact, formant ainsi un trajet de courant, au moins un corps de refroidissement est installé de manière à conduire la chaleur sur les première et deuxième barres conductrices, en dehors des trajets de courant, et des éléments de fixation de l'unité polaire sont installés sur les barres conductrices en dehors des trajets de courant.
PCT/EP2007/054494 2006-05-10 2007-05-09 Disjoncteur de puissance, en particulier disjoncteur de courant à haute intensité WO2007128831A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA002652047A CA2652047A1 (fr) 2006-05-10 2007-05-09 Disjoncteur de puissance, en particulier disjoncteur de courant a haute intensite
DE502007004262T DE502007004262D1 (fr) 2006-05-10 2007-05-09
US12/300,130 US20100059479A1 (en) 2006-05-10 2007-05-09 Power Switch, Especially High Current Switch
EP07728946A EP2016601B1 (fr) 2006-05-10 2007-05-09 Disjoncteur de puissance, en particulier disjoncteur de courant à haute intensité
JP2009508384A JP2009536429A (ja) 2006-05-10 2007-05-09 パワースイッチ
AT07728946T ATE472811T1 (de) 2006-05-10 2007-05-09 Leistungsschalter, insbesondere hochstromschalter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006007973U DE202006007973U1 (de) 2006-05-10 2006-05-10 Leistungsschalter, insbesondere Hochstromschalter
DE202006007973.4 2006-05-10

Publications (1)

Publication Number Publication Date
WO2007128831A1 true WO2007128831A1 (fr) 2007-11-15

Family

ID=36848650

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/054494 WO2007128831A1 (fr) 2006-05-10 2007-05-09 Disjoncteur de puissance, en particulier disjoncteur de courant à haute intensité

Country Status (10)

Country Link
US (1) US20100059479A1 (fr)
EP (1) EP2016601B1 (fr)
JP (1) JP2009536429A (fr)
KR (1) KR20090014291A (fr)
CN (2) CN201015105Y (fr)
AT (1) ATE472811T1 (fr)
CA (1) CA2652047A1 (fr)
DE (2) DE202006007973U1 (fr)
RU (1) RU2008148581A (fr)
WO (1) WO2007128831A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022033841A1 (fr) * 2020-08-12 2022-02-17 Siemens Energy Global GmbH & Co. KG Disjoncteur haute tension et procédé de fabrication d'un disjoncteur haute tension

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE504931T1 (de) * 2007-12-07 2011-04-15 Abb Technology Ag Schaltgetriebeanordnung mit niedriger, mittlerer oder hoher spannung und mit mindestens einem beweglichen kontakt
GB2511569B (en) 2013-03-08 2015-05-06 Christopher John Stanton Improved switch and associated methods
US9330867B2 (en) * 2014-05-13 2016-05-03 Eaton Corporation Vacuum switching apparatus, and electrode extension assembly and associated assembly method therefor
US9767978B1 (en) * 2016-05-17 2017-09-19 Eaton Corporation Medium voltage breaker conductor with an electrically efficient contour
DE102020211516A1 (de) * 2020-09-14 2022-03-17 Siemens Energy Global GmbH & Co. KG Hochspannungsleistungsschalter mit Kontakthülse und Verfahren zum Herstellen des Hochspannungsleistungsschalters
DE102020211514B4 (de) * 2020-09-14 2024-02-01 Siemens Energy Global GmbH & Co. KG Hochspannungsleistungsschalter mit Schrumpfverbindung und Verfahren zum Herstellen des Hochspannungsleistungsschalters

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339243A1 (fr) * 1976-01-26 1977-08-19 Merlin Gerin Conducteur de connexion flexible
EP0866481A2 (fr) * 1997-03-22 1998-09-23 ABBPATENT GmbH Chambre à vide
DE19819163A1 (de) * 1998-04-24 1999-10-28 Siemens Ag Schaltungskontaktsystem eines Niederspannungs-Leistungsschalters mit flexiblen Leiterseilen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153827A (en) * 1976-01-26 1979-05-08 Merlin Gerin Magnetic blow-out arc extinguishing device
DE19636237A1 (de) * 1996-06-21 1998-01-02 Siemens Ag Schaltkontaktsystem eines Niederspannungs-Leistungsschalters mit biegsamen Leitern
US6444939B1 (en) * 2000-05-09 2002-09-03 Eaton Corporation Vacuum switch operating mechanism including laminated flexible shunt connector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339243A1 (fr) * 1976-01-26 1977-08-19 Merlin Gerin Conducteur de connexion flexible
EP0866481A2 (fr) * 1997-03-22 1998-09-23 ABBPATENT GmbH Chambre à vide
DE19819163A1 (de) * 1998-04-24 1999-10-28 Siemens Ag Schaltungskontaktsystem eines Niederspannungs-Leistungsschalters mit flexiblen Leiterseilen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022033841A1 (fr) * 2020-08-12 2022-02-17 Siemens Energy Global GmbH & Co. KG Disjoncteur haute tension et procédé de fabrication d'un disjoncteur haute tension

Also Published As

Publication number Publication date
ATE472811T1 (de) 2010-07-15
EP2016601A1 (fr) 2009-01-21
DE202006007973U1 (de) 2006-08-03
KR20090014291A (ko) 2009-02-09
JP2009536429A (ja) 2009-10-08
DE502007004262D1 (fr) 2010-08-12
US20100059479A1 (en) 2010-03-11
EP2016601B1 (fr) 2010-06-30
RU2008148581A (ru) 2010-06-20
CN201015105Y (zh) 2008-01-30
CN101432832A (zh) 2009-05-13
CA2652047A1 (fr) 2007-11-15

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